Home / 1,045,200.24-1,567,801.08-690,130.80

Finding the Fourth Proportional to 1,045,200.24, 1,567,801.08 and 690,130.80

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Solution

The fourth proportional to 1,045,200.24, 1,567,801.08 and 690,130.80 is: 1,035,196.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,200.24 : 1,567,801.08 = 690,130.80 : x
  2. Step 2: Convert to fraction form
    1,045,200.24/1,567,801.08 = 690,130.80/x
  3. Step 3: Cross multiply
    1,045,200.24x = 1,567,801.08 × 690,130.80
  4. Step 4: Simplify right side
    1,045,200.24x = 1,081,987,813,581.26
  5. Step 5: Solve for x
    x = 1,081,987,813,581.26/1,045,200.24
  6. Step 6: Final answer
    x = 1,035,196.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.